locking primitives · Maintained

Maintainers

• M Peter Zijlstra <peterz@infradead.org>
• M Ingo Molnar <mingo@redhat.com>
• M Will Deacon <will@kernel.org>
• M Boqun Feng <boqun@kernel.org>
• R Waiman Long <longman@redhat.com>

Paths

• F Documentation/locking/
• F arch/*/include/asm/spinlock*.h
• F include/linux/local_lock*.h
• F include/linux/lockdep*.h
• F include/linux/mutex*.h
• F include/linux/rwlock*.h
• F include/linux/rwsem*.h
• F include/linux/seqlock.h
• F include/linux/spinlock*.h
• F kernel/locking/
• F lib/locking*.[ch]
• F rust/helpers/mutex.c
• F rust/helpers/spinlock.c
• F rust/kernel/sync/lock.rs
• F rust/kernel/sync/lock/
• F rust/kernel/sync/locked_by.rs
• X kernel/locking/locktorture.c

Last 30 days

Most active threads (last 7 days)

• WARM1d [PATCH v19 00/40] DEPT(DEPendency Tracker)
  2026-07-06 06:21 · 3 replies in 7d · Byungchul Park <byungchul@sk.com>

Recent patches

Most-recent 30 patches in this subsystem on netdev (capped at 30), ordered by date desc.

• WARM1d [PATCH v19 29/40] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v19 24/40] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• WARM1d [PATCH v19 04/40] dept: tie to lockdep and IRQ tracing
  2026-07-06 · Byungchul Park <byungchul@sk.com>
• COOLING11d [PATCH v3 5/7] kernel: Use mutable list iterators
  2026-06-22 · Kaitao Cheng <hidden>
• COLD29d REVIEWED: 46 (46M) [PATCH v4] rust: make `build_assert` module the home of related macros
  2026-06-09 · Gary Guo <gary@kernel.org>
• COLD40d [PATCH] nios2: remove the architecture
  2026-05-18 · Ethan Nelson-Moore <hidden>
• STALE105d [PATCH v3 4/4] rust: make `build_assert` module the home of related macros
  2026-03-19 · Gary Guo <gary@kernel.org>
• STALE118d [PATCH v2 4/4] rust: make `build_assert` module the home of related macros
  2026-03-16 · Gary Guo <gary@kernel.org>
• STALE116d [PATCH v2 2/2] tree-wide: rename do_exit() to task_exit()
  2026-03-10 · Christian Brauner <brauner@kernel.org>
• COOLING6d [PATCH v18 29/42] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COOLING6d [PATCH v18 24/42] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• COOLING6d [PATCH v18 04/42] dept: tie to lockdep and IRQ tracing
  2025-12-05 · Byungchul Park <byungchul@sk.com>
• STALE223d Re: [PATCH v17 28/47] dept: add documentation for dept
  2025-10-03 · Bagas Sanjaya <hidden>
• STALE223d [PATCH v17 33/47] dept: make dept aware of lockdep_set_lock_cmp_fn() annotation
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE223d [PATCH v17 27/47] locking/lockdep: prevent various lockdep assertions when lockdep_off()'ed
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE223d [PATCH v17 05/47] dept: tie to lockdep and IRQ tracing
  2025-10-02 · Byungchul Park <byungchul@sk.com>
• STALE304d [PATCH v2 13/13] Documentation: checkpatch: Convert kernel docs references
  2025-09-10 · Bagas Sanjaya <hidden>
• STALE312d [PATCH 14/14] Documentation: checkpatch: Convert kernel docs references
  2025-08-29 · Bagas Sanjaya <hidden>
• STALE372d REVIEWED: 35 (35M) [PATCH v13 5/5] rust: remove core::ffi::CStr reexport
  2025-07-01 · Tamir Duberstein <hidden>
• STALE372d REVIEWED: 30 (30M) [PATCH v13 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-07-01 · Tamir Duberstein <hidden>
• STALE372d REVIEWED: 30 (30M) [PATCH v13 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-07-01 · Tamir Duberstein <hidden>
• STALE366d [PATCH 8/8] locking/lockdep: Use shazptr to protect the key hashlist
  2025-06-25 · Boqun Feng <hidden>
• STALE366d [PATCH 5/8] shazptr: Allow skip self scan in synchronize_shaptr()
  2025-06-25 · Boqun Feng <hidden>
• STALE366d [PATCH 4/8] shazptr: Avoid synchronize_shaptr() busy waiting
  2025-06-25 · Boqun Feng <hidden>
• STALE366d [PATCH 1/8] Introduce simple hazard pointers
  2025-06-25 · Boqun Feng <hidden>
• STALE376d [PATCH v12 5/5] rust: remove core::ffi::CStr reexport
  2025-06-19 · Tamir Duberstein <hidden>
• STALE376d [PATCH v12 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-06-19 · Tamir Duberstein <hidden>
• STALE376d [PATCH v12 3/5] rust: replace `CStr` with `core::ffi::CStr`
  2025-06-19 · Tamir Duberstein <hidden>
• STALE405d [PATCH v11 5/5] rust: remove core::ffi::CStr reexport
  2025-05-30 · Tamir Duberstein <hidden>
• STALE405d [PATCH v11 4/5] rust: replace `kernel::c_str!` with C-Strings
  2025-05-30 · Tamir Duberstein <hidden>